A retainer can be set up as a one-time payment or for a recurring period. An attorneyclient retainer agreement is a contractual bond between you, the client, and your chosen attorney.This Agreement shall be performed in the State of California. Notwithstanding the principles of conflicts of law, the laws of California shall govern the. This document is a retainer contract between a law firm and a client. This is a Retainer Agreement template in letter form between an attorney and artist for legal services in California. It states the attorney. Use this template the next time you need a California attorney retainment agreement for a faster, more thorough contract. Disbursements: In addition to legal fees, the Client agrees to reimburse GMA for all disbursements incurred in the course of completing the Retainer. Retainer fees can also be distributed based on tasks or milestones.